Home / 8,276,688,110.30-12,415,032,165.45-7,378,765,396.70

Finding the Fourth Proportional to 8,276,688,110.30, 12,415,032,165.45 and 7,378,765,396.70

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Solution

The fourth proportional to 8,276,688,110.30, 12,415,032,165.45 and 7,378,765,396.70 is: 11,068,148,095.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,276,688,110.30 : 12,415,032,165.45 = 7,378,765,396.70 : x
  2. Step 2: Convert to fraction form
    8,276,688,110.30/12,415,032,165.45 = 7,378,765,396.70/x
  3. Step 3: Cross multiply
    8,276,688,110.30x = 12,415,032,165.45 × 7,378,765,396.70
  4. Step 4: Simplify right side
    8,276,688,110.30x = 91,607,609,741,339,934,720
  5. Step 5: Solve for x
    x = 91,607,609,741,339,934,720/8,276,688,110.30
  6. Step 6: Final answer
    x = 11,068,148,095.05

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Double scale
Find fourth proportional to 8,276,688,111.30, 12,415,032,166.95 and 7,378,765,397.70
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.